Xb
abbr. crossbar 纵横开关; 交叉棒; 闩; exploding bridgewire 爆炸桥丝点火器（代号）
🗣️ 情景例句
and now for something new.
现在轮到新的东西了。
I must have dialed a wrong number.
我一定拨错号了。
It would be a waste of money to buy the IBM PC586.
买IBM586就浪费钱了。